A computer manufacturer built a new facility for assembling computers. There were construction and new equipment costs. The company paid for these costs and made combined profits of $40 million after 4 years, while profits increased $30 million per year. Select the linear function in slope-intercept form that models this situation (in millions).
Group of answer choices

y = 160x + 30

y = 40x + 4

y = 30x - 40

y = 30x - 80